Can I apply for a patent after improving an article? What are the requirements for applying for a patent?

Of course. Conditions for applying for a patent: There are three types of applications: invention, utility model and design. You may apply for a patent for invention for a new technical scheme proposed for a product, method or improvement; You can apply for a patent for utility model for a new technical scheme that is suitable for practical use according to the shape, structure or combination of products; A new design that is aesthetically pleasing and suitable for industrial application is made according to the shape, pattern or combination of them, and the combination of color and shape and pattern, and can apply for a patent for design. 2. What application documents should be submitted to apply for an invention patent? The application documents shall include: the request for the invention patent and the specification (the contents of the specification need to specify the technical problem to be solved, the technical scheme adopted to solve the technical problem and its beneficial effects). If the specification has drawings, it shall submit the drawings, claims and abstract of the specification (if necessary, the abstract shall have drawings) in duplicate. For an application for a patent for invention involving amino acids or nucleotide sequences, the specification shall include a sequence list, which shall be submitted as a separate part of the specification, and at the same time, a CD or floppy disk containing the sequence list that meets the requirements of China National Intellectual Property Administration shall be submitted. To apply for a patent for utility model, the application documents shall include: the request for a patent for utility model, the specification, the drawings of the specification, the claims, the abstract and the drawings in duplicate. To apply for a patent for design, the application documents shall include: a request for a patent for design, pictures or photographs in duplicate. Where color protection is required, color pictures or photographs shall also be submitted in duplicate. If pictures are submitted, two copies shall be pictures; If photos are submitted, two copies are photos, and pictures or photos shall not be mixed. If it is necessary to explain the pictures or photographs, a brief description of the design shall be submitted in duplicate. 1, you can ask the agency for help! 2. Go to the Beijing Intellectual Property Office in person. The form can be downloaded from official website or obtained from the Intellectual Property Office. 3. It is suggested to ask the patent agency for help. It should be noted that patent agents need special qualifications. This qualification is different from that of lawyers and trademark agents. At present, a large number of "intellectual property agency companies" or "law firms" that do not have patent agency qualifications conceal the fact that they do not have patent agency qualifications, and it is difficult to succeed in representing patent affairs.